Math, asked by s9a2081purva0459, 4 months ago

Find the area of a triangle, two sides of which are 9 cm and 11 cm and the perimeter is

42 cm

Answers

Answered by tejnarayankumar005

1

Answer:

22cm

Step-by-step explanation:

Step by step

a=11cm, b=9cm, c=?

Perimeter=42

a+b+c= 42

11cm+9cm+c= 42

20cm +c =42

c=42- 20

c=22

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